Unit+2+Discovering+Useful+Structures+课件【核心素养提升+备课精讲精研】高中英语人教版（2019）必修第三册

Unit2MoralsandVirtues

Part3Discoveringusefulstructures1.

Climbingmountainsisdangerous.

主语2.Mybrotheralwayslovesplayingbasketballafterschool.宾语3.Hishobbyis

playinggames.表语观察下面句子并分析画线部分在句中所作的成分

5.Beingill，hecouldn'tgotoschool.定语4.ThemandoingthelivebroadcastiscalledLiJiaqi.状语6.Canyousmellanything

burning?宾语补足语动词-ing形式由“动词原形+ing”构成。动词-ing形式可在句中作___________、___________、_________、___________、_____________和___________，但是不能单独作___________。主语宾语表语定语宾语补足语状语谓语SummaryReadanddiscussthefunctionsandmeaningsofthe-ingform.1...herbrothercomplained,thinkingofthehightuitionfees.2Thinkingofallthepeoplestillinneedofhelp,DrLinopenedaprivateclinic.3ThenewPeople'sRepublicofChinasawDrLinQiaozhi

playingakeyrole.adverbial状语adverbial状语objectcomplement宾语补足语Conclusion现在分词(v-ing)作状语，其动作发出者是主句的_____,呈___(主/被)动关系。一般置于_____或______。现在分词(v-ing)作宾语补足语，常放在宾语后面,对宾语进行补充说明表示一个____________________的动作,强调一个过程或一种状态。句首句尾主语主herbrotherDrLin正在进行的主动性DrLinQiaozhiPart1the–ingformusedasadverbialDone时间:原因:条件：让步：方式或伴随或结果：非谓语动词作状语相当于一个状语从句或并列句可转换为由“when,while,until引导的时间状语从句可转换为由since,because或as引导的原因状语从句可转换为由if,once或unless引导的条件状语从句可转换为由though/although引导的让步状语从句可转换为并列句被动

过去Doing主动进行逻辑主语必须与句子的主语一致现在分词作时间状语时，相当于时间状语从句。可在现在分词前加连词“when,while,until”等，使其时间意义更明确Walkinginthepark,shesawanoldfriend.＝When/while(shewas)walkinginthepark,shesawanoldfriend.1.v-ing形式作时间状语逻辑主语与句子的主语一致；主动/进行改写下面的时间状语从句Whenhewalkedoutoftheroom,hesawadog.Walkingoutoftheroom,hesawadog.现在分词作原因状语时，可转换为由since,because或as引导的原因状语从句，这类状语多放在句子的前半部分。Beingill，hecouldn'tgotoschool.＝Ashewasill，hecouldn'tgotoschool.2.v-ing形式作原因状语逻辑主语与句子的主语一致；主动/进行Notknowingtheway,hegotlost.翻译句子：由于不认路，他迷路了。

Ashe__________________,hegotlost.didn’tknowthewayV-ing形式的否定式是在其前面加not现在分词作条件状语时，可转换为if,once或unless等引导的条件状语从句。Workinghard，you'llmakegreatprogress.＝Ifyouworkhard，you'llmakegreatprogress.3.v-ing形式作条件状语Ifwe___________,wewillsucceed.翻译句子：努力学习,我们就会成功。Studyinghard,wewillsucceed.studyhard逻辑主语与句子的主语一致；主动/进行现在分词作让步状语时，相当于一个以though/although引导的让步状语从句。Workingorreading，shealwaysdidherbest.＝Whethersheworkedorread，shealwaysdidherbest.4.v-ing形式作让步状语逻辑主语与句子的主语一致；主动/进行Knowingitisdifficult,Idon’tgiveup.翻译句子：虽然知道它很难，我也不放弃。AlthoughI_________________,Idon’tgiveup.knowitisdifficult现在分词作方式，结果或伴随或方式状语时，通常不能转换为状语从句，但可用并列句代替。Istoodbythedoor，notdaringtosayaword.＝Istoodbythedoor，anddidn’tdaretosayaword.Hisparentsdied，leavinghimanorphan.＝Hisparentsdiedandlefthimanorphan.Marysatbythewindow,readingabook.=Marysatbythewindowandwasreadingabook.5.v-ing形式作方式/结果/伴随状语Pleaseanswerthequestionusinganotherway.Hewentabroad,leaving

hisuncleabighouse.Done时间:原因:条件：让步：方式或伴随或结果：非谓语动词作状语相当于一个状语从句或并列句可转换为由“when,while,until引导的时间状语从句可转换为由since,because或as引导的原因状语从句可转换为由if,once或unless引导的条件状语从句可转换为由though/although引导的让步状语从句可转换为并列句被动

过去Doing主动进行逻辑主语必须与句子的主语一致1.

Havingfinishedhishomework,herushedouttoplaybasketball.2.Havingstudiedhislessonsveryhard,hepassedthetest.注意1：havingdone表示比句子的谓语动词先发生,句子主语与havingdone的关系是主动关系

1._________________(turn)

offtheTV,hebegantogooverhislessons.

2.______________(finish)hishomework,hewentouttoplayfootballwithhisfriends.3._________________(buy)

whatsheneeded,Mrs.Smithwentoutofthemarket.HavingturnedHavingfinishedHavingbought1.

Notknowingthisnews,hecomestoschool.2.Nothavingmadefullpreparations,weputoffthetest.3.Nothavingstudiedhislessonsveryhard,hefailedthetest.注意2：V--ing形式的否定式：

not+动词ing；not+havingdone

____________(know)whattodo,Miketurnedtohisteacherforhelp.NotknowingThetreesareverytall,somemeasuringover90metres.Theweatherbeingfine,wewentoutforawalk.Wintercoming,itgetscolderandcolder.Timepermitting,Iwillgowithyou.注意3：独立主格结构：主句的主语和状语的主语不一致通常用来表示伴随的动作、时间、原因或条件

技巧：可以把独立主格结构理解为：（with）+_____+_____结构1._______(hear)thenews,theycouldn’thelpjumping.2.Becarefulwhen___________(cross)thestreet.3.__________________(work)forthreehours,hetookarest.4.___________(use)yourhead,you’llhaveagoodidea.5.___________(work)hard,hedidn’tfeelabittired.6.Theheavyrainlastedthreedays,__________(result)inserioustrafficjams.7.Thegirlcamein,_________(follow)herparents.8.________(walk)inthepark,shesawanoldfriend.9.Marysatbythewindowoftheclassroom,_________(read)abook.10._______________(finish)hishomework,Tomlistenedtomusic.ExercisesHearingcrossingHavingworkedUsingWorkingresultingfollowlingWalkingreadingHavingfinishedPart2the–ingformusedasobjectcomplement02使役动词have/get/make01感官动词“五看二听三感觉”03With+宾语+宾补随着…（重点看宾语宾补之间的逻辑关系）常见可接-ing形式作宾补的词(结构)Weseeherlisteningtomusic.Wecansee

fourkidsrunning

inthepicture.Thepolicecaught

themanstealing

themoney.eg：Ifeltsomebodypattingmeontheshoulder.1.Ididn'tnoticehim_______(come).2.Sheheard

someone_________(knock)ingknockingPracticeeg：Wekeptthefire

buringallnightlong.Iwouldn’thaveyou_______(run)intheclassroom.Theyusecomputerstokeepthetraffic_______(run)smoothly.runningrunningPracticePracticeIcouldn’tdomyhomeworkwiththenoise_______(go)on.Withsomanypeople______(look)ather,shefeltnervous.goinglooking1.Wepassedbytheclassroomandsawtheteacher__________(make)theexperiment.2.WhenIcamein,IsawDr.Li_____________(examine)apatient.3.Attheairport,amandressedinablacksuitwascaught_______(spit)onthecleanfloor.4.Sittingbyherside,Icouldfeelherheart___